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$313+ Cheap flights from Illinois to Japan

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — FUK
Jan 7 — Jan 141
Tue 1/7
Tue 1/14
1 adult, Economy
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Cheap flight deals from Illinois to Japan

Discover tips and strategies to find the most affordable flight options for your journey from Illinois (USIL) to Japan (JP0). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 2, 2025.

Round-trip from

$747
(United Airlines)

One-way from

$313
(Kiwi.com)
From Illinois to Japan
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One-way flight from Illinois to Japan
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Find flight deals from Illinois to Japan

Cheapest flights from Illinois to Japan
Explore the most affordable flight options available from Illinois to Japan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 2, 2025.

This United Airlines deal was found by Cheapflights users on 1/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/319:13 amSTL - NRT
1 stop15h 17mUnited Airlines
Mon 9/155:10 pmNRT - STL
1 stop21h 17mUnited Airlines
Deal found 1/2$744
This United Airlines deal was found by Cheapflights users on 1/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/314:45 pmSTL - HND
2 stops31h 10mUnited Airlines
Mon 5/125:45 pmHND - STL
1 stop19h 59mUnited Airlines
Deal found 1/2$747
This Orbitz deal was found by Cheapflights users on 1/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/12:55 pmSTL - NRT
1 stop34h 45mMultiple Airlines
Sun 10/126:30 pmNRT - STL
2 stops43h 26mMultiple Airlines
Deal found 1/2$747
This ANA deal was found by Cheapflights users on 1/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure ANA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/273:15 pmSTL - HND
1 stop15h 50mMultiple Airlines
Sat 9/63:50 pmHND - STL
1 stop15h 13mMultiple Airlines
Deal found 1/1$756
This American Airlines deal was found by Cheapflights users on 1/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/15:35 amSTL - NRT
2 stops20h 55mAmerican Airlines
Fri 10/106:10 pmNRT - STL
2 stops18h 24mAmerican Airlines
Deal found 1/2$764
This Delta deal was found by Cheapflights users on 1/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/136:30 amSTL - HND
1 stop20h 15mDelta
Wed 1/294:25 pmHND - STL
1 stop15h 12mDelta
Deal found 1/2$774
This Justfly.com deal was found by Cheapflights users on 1/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/46:45 amSTL - HND
1 stop19h 10mANA
Thu 9/1110:25 amHND - STL
1 stop20h 10mANA
Deal found 1/2$787
This Mytrip deal was found by Cheapflights users on 1/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/76:15 amSTL - NRT
1 stop17h 55mANA
Tue 1/145:45 pmNRT - STL
1 stop35h 52mANA
Deal found 1/2$789
This American Airlines deal was found by Cheapflights users on 1/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/265:45 amSTL - HND
2 stops20h 35mAmerican Airlines
Wed 3/58:25 pmHND - STL
1 stop17h 43mAmerican Airlines
Deal found 1/2$797
This FlightHub deal was found by Cheapflights users on 1/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/257:00 amSTL - NRT
1 stop18h 40mJapan Airlines
Thu 10/25:20 pmNRT - STL
1 stop19h 39mJapan Airlines
Deal found 1/2$803
This Alaska Airlines deal was found by Cheapflights users on 1/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/42:55 pmSTL - NRT
1 stop35h 05mAlaska Airlines
Sat 10/256:25 pmNRT - STL
1 stop19h 31mAlaska Airlines
Deal found 1/1$811
This Air Canada deal was found by Cheapflights users on 1/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/11:30 pmSTL - NRT
1 stop35h 55mAir Canada
Wed 9/105:35 pmNRT - STL
2 stops32h 45mAir Canada
Deal found 1/2$849

Find flights from Illinois to Japan within your budget

Customize your flight search to find flights from Illinois to Japan that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 2, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Mon 3/31

4:45 pm-1:55 pm

2 stops31h 10m

Tokyo Haneda

Mon 5/12

5:45 pm-11:44 pm

1 stop19h 59m

$747

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Tue 4/1

5:35 pm-2:00 pm

2 stops54h 25m

Tokyo Narita

Wed 4/16

4:30 pm-9:56 am

2 stops31h 26m

$761

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Mon 1/13

6:30 am-5:45 pm

1 stop20h 15m

Tokyo Haneda

Wed 1/29

4:25 pm-4:37 pm

1 stop15h 12m

$774

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Mon 1/13

6:15 am-3:10 pm

1 stop17h 55m

Tokyo Narita

Wed 1/29

5:45 pm-2:37 pm

1 stop35h 52m

$794

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Wed 2/26

5:45 am-5:20 pm

2 stops20h 35m

Tokyo Haneda

Wed 3/5

8:25 pm-11:08 pm

1 stop17h 43m

$797

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Sun 4/6

5:26 am-3:00 pm

1 stop19h 34m

Tokyo Narita

Wed 4/16

6:25 pm-8:42 am

1 stop28h 17m

$817

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Wed 2/26

6:30 am-5:45 pm

1 stop20h 15m

Tokyo Haneda

Wed 3/5

6:20 pm-12:12 pm

1 stop32h 52m

$826

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Fri 1/31

6:03 am-4:40 pm

1 stop19h 37m

Tokyo Narita

Fri 2/7

6:10 pm-11:59 pm

1 stop20h 49m

$829

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Wed 3/12

11:39 am-6:25 pm

1 stop16h 46m

Tokyo Haneda

Thu 3/27

8:25 pm-11:09 pm

1 stop16h 44m

$882

ChicagoTokyo

ORD - NRT

ORDNRT

Chicago O'Hare Intl

Thu 1/9

9:18 pm-2:25 pm

1 stop26h 07m

Tokyo Narita

Fri 2/28

9:25 pm-9:44 pm

2 stops39h 19m

$886

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/2

Showing 1-10 of 60 results
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Best time to book a flight from Illinois to Japan

Have a flexible travel schedule? Discover the best time to fly to Japan from Illinois with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Illinois to Japan

Get recent, data-driven insights about flights from Illinois to Japan including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Illinois to Japan?

Currently, November is the cheapest month in which you can book a flight from Illinois to Japan (average of $924). Flying from Illinois to Japan in December is currently the most expensive (average of $1,687). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IL to JP?

Find hourly flight availability from Illinois to Japan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 2, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Japan as you normally would.

Rainfall in Japan by month

Plan your trip to Japan by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Japan ranges from 2.0 - 8.3 inches per month. September is typically the wettest month, when rainfall can reach 8.3 in. January is typically the driest time to visit Japan when rainfall is around 2.0 in.

Temperature in Japan by month

Plan your trip to Japan by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Japan, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 42.8 F).

Reviews of airlines servicing Japan

Get insights into the airlines that provide service to Japan. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Japan. Reviews last updated January 2, 2025.
Get a feel of what it's like to fly with Korean Air, Cathay Pacific and Delta from Illinois to Japan by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.5
Very good
1,030 reviews

Overall

8.5

Comfort

8.3

Crew

8.7

Food

8.1

Entertainment

8.2

Boarding

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Korean Air
8.5
Very good
1,030 reviews
Korean Air
8.5
Very good
1,030 reviews

Overall

8.5

Comfort

8.3

Crew

8.7

Food

8.1

Entertainment

8.2

Boarding

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

EVA Air
8.4
Very good
1,247 reviews
Korean Air
8.5
Very good
1,030 reviews

Overall

8.5

Comfort

8.3

Crew

8.7

Food

8.1

Entertainment

8.2

Boarding

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

ANA
8.4
Very good
844 reviews
Korean Air
8.5
Very good
1,030 reviews

Overall

8.5

Comfort

8.3

Crew

8.7

Food

8.1

Entertainment

8.2

Boarding

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Japan Airlines
8.3
Very good
1,441 reviews
Korean Air
8.5
Very good
1,030 reviews

Overall

8.5

Comfort

8.3

Crew

8.7

Food

8.1

Entertainment

8.2

Boarding

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Asiana Airlines
8.3
Very good
463 reviews
Korean Air
8.5
Very good
1,030 reviews

Overall

8.5

Comfort

8.3

Crew

8.7

Food

8.1

Entertainment

8.2

Boarding

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Japan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from Illinois to Japan one-way?

    One-way options have recently been found by users for as low as $395 on ANA. Other airlines that offer cheap prices include Japan Airlines from $396 and American Airlines from $404 one-way.

  • Can I find deals for flights from Illinois to Japan that include hotel bookings?

    Yes. In addition to deals on Illinois to Japan flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Japan?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Japan.

  • Can I find deals for business class flights from Illinois to Japan?

    Yes. Cheapflights offers flight deals from Illinois to Japan by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Illinois to Japan?

    Currently, November is the cheapest month in which you can book a flight from Illinois to Japan (average of $924). Flying from Illinois to Japan in December is currently the most expensive (average of $1,687). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 9 airlines flying from Illinois to Japan

Discover the top 9 airlines that operate flights from Illinois to Japan. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$218Average$1,471FlexibilityNo cancel feeOn-time71%
ZIPAIRCheapest$693Average$769FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$834Average$1,585FlexibilityNo cancel feeOn-time69%
Cathay PacificCheapest$858Average$962FlexibilityNo cancel feeOn-time72%
Air CanadaCheapest$868Average$1,228FlexibilityNo cancel feeOn-time67%
ANACheapest$984Average$1,575FlexibilityNo cancel feeOn-time80%
EVA AirCheapest$992Average$1,219FlexibilityNo cancel feeOn-time74%
DeltaCheapest$1,040Average$1,544FlexibilityNo cancel feeOn-timeN/A
Japan AirlinesCheapest$1,248Average$1,627FlexibilityNo cancel feeOn-time79%
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